Diameter

/da‍ɪˈæmɪtɐ/

/daɪˈæmətɝ/

Diameter

a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

synonyms : diam

a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

Examples

1. This silicon nanowire has diameter about 200 nanometers, with a copper coating on the surface.

2. I meant diameter.

3. D is diameter.

4. So diameter is two radiuses.